CA2084396C - Method of decarburizing molten metal in the refining of steel using neural networks - Google Patents

Method of decarburizing molten metal in the refining of steel using neural networks

Info

Publication number: CA2084396C
Authority: CA; Canada
Prior art keywords: oxygen; bath; neural network; temperature; process period
Prior art date: 1991-12-03
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired - Fee Related

Application number

CA002084396A

Other languages

English (en)

French (fr)

Other versions

CA2084396A1 (en

Inventor

Jonathan Jay Feinstein

Richard Benedict Mazzarella

Lanier Stambaugh

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Praxair Technology Inc

Original Assignee

Praxair Technology Inc

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1991-12-03

Filing date

1992-12-02

Publication date

1998-07-28

1992-12-02 Application filed by Praxair Technology Inc filed Critical Praxair Technology Inc

1993-06-04 Publication of CA2084396A1 publication Critical patent/CA2084396A1/en

1998-07-28 Application granted granted Critical

1998-07-28 Publication of CA2084396C publication Critical patent/CA2084396C/en

2012-12-02 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

238000013528 artificial neural network Methods 0.000 title claims abstract description 104
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239000002184 metal Substances 0.000 title claims abstract description 35
238000007670 refining Methods 0.000 title claims abstract description 15
229910000831 Steel Inorganic materials 0.000 title claims abstract description 9
239000010959 steel Substances 0.000 title claims abstract description 9
239000007789 gas Substances 0.000 claims abstract description 88
239000001301 oxygen Substances 0.000 claims abstract description 80
229910052760 oxygen Inorganic materials 0.000 claims abstract description 80
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 79
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WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 10
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229910052750 molybdenum Inorganic materials 0.000 claims description 7
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XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 4
CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 4
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YBJHBAHKTGYVGT-ZKWXMUAHSA-N (+)-Biotin Chemical compound N1C(=O)N[C@@H]2[C@H](CCCCC(=O)O)SC[C@@H]21 YBJHBAHKTGYVGT-ZKWXMUAHSA-N 0.000 description 1
101100165177 Caenorhabditis elegans bath-15 gene Proteins 0.000 description 1
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MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
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FEPMHVLSLDOMQC-UHFFFAOYSA-N virginiamycin-S1 Natural products CC1OC(=O)C(C=2C=CC=CC=2)NC(=O)C2CC(=O)CCN2C(=O)C(CC=2C=CC=CC=2)N(C)C(=O)C2CCCN2C(=O)C(CC)NC(=O)C1NC(=O)C1=NC=CC=C1O FEPMHVLSLDOMQC-UHFFFAOYSA-N 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/068—Decarburising
- C21C7/0685—Decarburising of stainless steel
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/30—Regulating or controlling the blowing
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S706/00—Data processing: artificial intelligence
- Y10S706/902—Application using ai with detail of the ai system
- Y10S706/903—Control
- Y10S706/904—Manufacturing or machine, e.g. agricultural machinery, machine tool

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Manufacturing & Machinery (AREA)
Carbon Steel Or Casting Steel Manufacturing (AREA)
Treatment Of Steel In Its Molten State (AREA)

CA002084396A 1991-12-03 1992-12-02 Method of decarburizing molten metal in the refining of steel using neural networks Expired - Fee Related CA2084396C (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US07/802,046 US5327357A (en)	1991-12-03	1991-12-03	Method of decarburizing molten metal in the refining of steel using neural networks
US07/802,046		1991-12-03

Publications (2)

Publication Number	Publication Date
CA2084396A1 CA2084396A1 (en)	1993-06-04
CA2084396C true CA2084396C (en)	1998-07-28

Family

ID=25182697

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002084396A Expired - Fee Related CA2084396C (en)	1991-12-03	1992-12-02	Method of decarburizing molten metal in the refining of steel using neural networks

Country Status (10)

Country	Link
US (1)	US5327357A (es)
EP (1)	EP0545379B1 (es)
KR (1)	KR0148273B1 (es)
CN (1)	CN1037455C (es)
BR (1)	BR9204824A (es)
CA (1)	CA2084396C (es)
DE (1)	DE69209622T2 (es)
ES (1)	ES2085539T3 (es)
MX (1)	MX9206989A (es)
ZA (1)	ZA929352B (es)

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- 1992-12-02 DE DE69209622T patent/DE69209622T2/de not_active Expired - Fee Related
- 1992-12-02 CN CN92115190A patent/CN1037455C/zh not_active Expired - Fee Related
- 1992-12-02 ZA ZA929352A patent/ZA929352B/xx unknown
- 1992-12-02 EP EP92120555A patent/EP0545379B1/en not_active Expired - Lifetime
- 1992-12-03 BR BR9204824A patent/BR9204824A/pt not_active IP Right Cessation
- 1992-12-03 MX MX9206989A patent/MX9206989A/es not_active IP Right Cessation
- 1992-12-03 KR KR1019920023161A patent/KR0148273B1/ko not_active IP Right Cessation

Also Published As

Publication number	Publication date
DE69209622T2 (de)	1996-10-02
KR0148273B1 (ko)	1998-11-02
CA2084396A1 (en)	1993-06-04
ES2085539T3 (es)	1996-06-01
MX9206989A (es)	1994-05-31
EP0545379A1 (en)	1993-06-09
KR930013177A (ko)	1993-07-21
US5327357A (en)	1994-07-05
BR9204824A (pt)	1993-06-08
DE69209622D1 (de)	1996-05-09
ZA929352B (en)	1993-06-04
CN1037455C (zh)	1998-02-18
CN1074244A (zh)	1993-07-14
EP0545379B1 (en)	1996-04-03

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Mirzadeh et al.	2008	Correlation between processing parameters and strain-induced martensitic transformation in cold worked AISI 301 stainless steel
AU645699B2 (en)	1994-01-20	Method of estimating material of steel product
US3614682A (en)	1971-10-19	Digital computer control of polymerization process
Sala et al.	2018	Multivariate time series for data-driven endpoint prediction in the basic oxygen furnace
DE60204122D1 (de)	2005-06-16	Verfahren zur steuerung und/oder regelung eines technischen prozesses
AT411068B (de)	2003-09-25	Verfahren zur herstellung einer metallschmelze in einer hüttentechnischen anlage
DE3311232C2 (de)	1987-02-05	Verfahren zum computergesteuerten Frischen von Stahlschmelzen
JP2000144229A (ja)	2000-05-26	転炉スロッピング予測方法及び装置
JPH06264129A (ja)	1994-09-20	転炉製鋼の終点制御方法
JPH08269518A (ja)	1996-10-15	溶銑予備処理操業における処理剤の投入条件ガイダンス方法
EP3956481B1 (en)	2023-12-13	Method for monitoring a steelmaking process and associated computer program
KR960023106A (ko)	1996-07-18	배가스 및 신경망을 이용한 탄소농도 예측방법과 이를 이용한 전로 종점 취련 제어 시스템
JPH0665623A (ja)	1994-03-08	転炉吹錬中の溶鋼炭素濃度の推定方法
JPH0657319A (ja)	1994-03-01	転炉出鋼マンガン濃度の推定方法
JPH05195035A (ja)	1993-08-03	転炉吹錬制御装置
JPH0673428A (ja)	1994-03-15	転炉出鋼炭素濃度の推定方法
Deo et al.	2013	Dynamic on-line control of stainless steel making in AOD
CN116434856B (zh)	2024-04-16	一种基于分段式氧气脱碳效率的转炉供氧量预测方法
JPH0641625A (ja)	1994-02-15	転炉出鋼リン濃度の推定方法
JPH06200312A (ja)	1994-07-19	転炉製鋼における静的吹錬制御方法
Kostúr et al.	2001	1. Models for prediction of LD process
KR950019723A (ko)	1995-07-24	인공신경회로망을 이용한 용강온도 및 성분 변화예측방법
Irving et al.	1979	Optimal control of the argon-oxygen decarburising steelmaking process
JPH05339617A (ja)	1993-12-21	転炉吹錬方法

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